Linear actuator



FIG. 1 is a front elevational view of the linear actuator, in which theseparation, bracket and dot-dot-dash lines indicate that the claimeddesign is of no particular length;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a left, front perspective view thereof.

The broken lines in the drawings depict unclaimed environmental subjectmatter.

The ornamental design for a linear actuator, as shown and described.